Internet Explorer 10 support and improved actions

Support has been added for Internet Explorer 10 which is to be released at the end of October this year bundled with Windows 8. This makes it possible to use Sleipnir 3 with the new Windows 8 desktop interface.Internet Explorer is also scheduled to be supported with Windows 7, so please update Sleipnir 3 before the official release!

Also, many improvements to actions including the below have been added.

FeedReader overview page removed as target for restoring history and tabs when being restartedDownloads not being properly detected in WebKit when closing issue fixedForced termination issue sometimes occurring when bookmarks are added when using Trident fixed